Finding the Fourth Proportional to 1,909.06, 2,634.28 and 1,069.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,909.06 : 2,634.28 = 1,069.59 : x
2. Step 2: Convert to fraction form
   1,909.06/2,634.28 = 1,069.59/x
3. Step 3: Cross multiply
   1,909.06x = 2,634.28 × 1,069.59
4. Step 4: Simplify right side
   1,909.06x = 2,817,599.55
5. Step 5: Solve for x
   x = 2,817,599.55/1,909.06
6. Step 6: Final answer
   x = 1,475.91